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(RS)-4-Carboxyphenylglycine

(RS)-4-Carboxyphenylglycine

Catalog No. BCC6601
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10mg $153.00 Ship Within 7 Days
50mg $644.00 Ship Within 7 Days
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Quality Control of (RS)-4-Carboxyphenylglycine

Chemical structure

(RS)-4-Carboxyphenylglycine

Biological Activity of (RS)-4-Carboxyphenylglycine

Broad spectrum EAA ligand. Separate isomers (R)-4-Carboxyphenylglycine and (S)-4-Carboxyphenylglycine also available.

(RS)-4-Carboxyphenylglycine Dilution Calculator

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Chemical Properties of (RS)-4-Carboxyphenylglycine

Cas No. 7292-81-1 SDF Download SDF
Synonyms (RS)-4CPG
Chemical Name 4-[amino(carboxy)methyl]benzoic acid
SMILES NC(C(O)=O)c1ccc(cc1)C(O)=O
Standard InChIKey VTMJKPGFERYGJF-UHFFFAOYSA-N
Standard InChI InChI=1S/C9H9NO4/c10-7(9(13)14)5-1-3-6(4-2-5)8(11)12/h1-4,7H,10H2,(H,11,12)(H,13,14)
Formula C9H9NO4 M.Wt 195.17
Solubility Soluble to 100 mM in 1eq. NaOH and to 5 mM in water
Storage Store at RT
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
Shipping Condition Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other courier with RT , or blue ice upon request.

Preparing Stock Solutions of (RS)-4-Carboxyphenylglycine

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 5.1237 mL 25.6187 mL 51.2374 mL 102.4748 mL 128.0935 mL
5 mM 1.0247 mL 5.1237 mL 10.2475 mL 20.495 mL 25.6187 mL
10 mM 0.5124 mL 2.5619 mL 5.1237 mL 10.2475 mL 12.8093 mL
50 mM 0.1025 mL 0.5124 mL 1.0247 mL 2.0495 mL 2.5619 mL
100 mM 0.0512 mL 0.2562 mL 0.5124 mL 1.0247 mL 1.2809 mL
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations.

References on (RS)-4-Carboxyphenylglycine

The retention deficit induced by (RS)-alpha-methyl-4-carboxyphenylglycine in a lever-press learning task is blocked by selective agonists of either group I or group II metabotropic glutamate receptors.[Pubmed: 10550512]


The effects of immediate post-training administration of drugs interacting with group I and/or group II glutamate metabotropic receptors (mGluRs) were determined on the retention performance of a partially acquired lever-press learning task in mice. The antagonist (RS)-alpha-methyl-4-carboxyphenylglycine (MCPG) dose-dependently (0. 1-100 nmol/mouse, i.c.v.) impairs the retention performance evaluated 24 h post-training. The retention deficit induced by 100 nmol MCPG is related to the selective suppression of a time-dependent spontaneous improvement of performance between the two sessions. This phenomenon appears progressively within 24 h post-training in control mice and is thought to reflect post-training processing of memory traces. The coadministration of either (1S,3R)-1-aminocyclopentane-1,3-dicarboxylic acid (ACPD), the group I mGluR agonist (R,S)3,5-dihydroxyphenylglycine (DHPG), or the group II mGluR agonist LY354740, completely blocked MCPG-induced deficits at a dose of 0.1 nmol for each agonist. These results suggest that selective activation of either group I or group II mGluRs is able to prevent the memory retention deficits induced by MCPG.

Anticonvulsant actions of LY 367385 ((+)-2-methyl-4-carboxyphenylglycine) and AIDA ((RS)-1-aminoindan-1,5-dicarboxylic acid).[Pubmed: 10096765]


We have studied the effects in three rodent models of generalised convulsive or absence epilepsy of two antagonists of group I metabotropic glutamate receptors that are selective for the mGlu1 receptor. LY 367385 ((+)-2-methyl-4-carboxyphenylglycine) and AIDA ((RS)-1-aminoindan-1,5-dicarboxylic acid) have been administered intracerebroventricularly (i.c.v.) to DBA/2 mice and lethargic mice (lh/lh), and focally into the inferior colliculus of genetically epilepsy prone rats (GEPR). In DBA/2 mice both compounds produce a rapid, transient suppression of sound-induced clonic seizures (LY 367385: ED50 = 12 nmol, i.c.v., 5 min; AIDA: ED50 = 79 nmol, i.c.v., 15 min). In lethargic mice both compounds significantly reduce the incidence of spontaneous spike and wave discharges on the electroencephalogram, from <30 to >150 min after the administration of AIDA, 500 nmol, i.c.v., and from 30 to >150 min after the administration of LY 367385, 250 nmol, i.c.v. LY 367385, 50 nmol, suppresses spontaneous spike and wave discharges from 30 to 60 min. In genetically epilepsy prone rats both compounds reduce sound-induced clonic seizures. LY 367385, 160 nmol bilaterally, fully suppresses clonic seizures after 2-4 h. AIDA is fully effective 30 min after 100 nmol bilaterally. It is concluded that antagonists of mGlu1 receptors are potential anticonvulsant agents and that activation of mGlu1 receptors probably contributes to a variety of epileptic syndromes.

(RS)-alpha-Methyl-4-carboxyphenylglycine inhibits long-term potentiation only following the application of low frequency stimulation in the rat dentate gyrus in vitro.[Pubmed: 8552300]


The effect of the metabotropic glutamate receptor (mGluR) antagonist (RS)-alpha-methyl-4-carboxyphenylglycine (MCPG) was investigated on the induction of long-term potentiation (LTP) of alpha-amino-3-hydroxy-5- methyl-4-isoxazoleproprionate receptor-mediated excitatory postsynaptic currents (epscs) recorded from dentate granule cells in response to presynaptic stimulation of the associational/commissural pathway of the rat dentate gyrus in vitro. MCPG (500 microM, 60 min) did not inhibit the induction of LTP of epscs induced by high frequency stimulation (HFS) at sites which had received only test stimulation (0.05/s) preceding the HFS. MCPG did, however, block the induction of LTP of epscs elicited by HFS if the HFS was preceded by the induction of long-term depression elicited by low frequency stimulation (5 Hz for 3 min). After such low frequency stimulation, HFS induced only a short-term potentiation lasting up to a maximum of 10 min in the presence of MCPG.

Agonist action of (RS)-alpha-methyl-4-carboxyphenylglycine (MCPG) in the amygdala.[Pubmed: 7632895]


Glutamatergic excitatory postsynaptic potentials (EPSPs) in the basolateral amygdala (BLA) are reduced in amplitude following agonist activation of presynaptic metabotropic glutamate receptors (mGluR). In this study, the effect of a presumed mGluR antagonist, (RS)-alpha-methyl-4-carboxyphenylglycine (MCPG), was investigated on the EPSP recorded intracellularly in BLA neurons. Superfusion of MCPG (500 microM) significantly reduced the amplitude of evoked EPSPs. In the presence of MCPG, postsynaptic responses to alpha-amino-3-hydroxy-5-methyl-4-isoxazoleproprionic acid (AMPA, 1 microM) were unaltered while responses to N-methyl-D-aspartate (NMDA, 3-5 microM) were potentiated. These data suggest that the MCPG-induced reduction of EPSP amplitude is due to a mGluR agonist action at a presynaptic mGluR 'autoreceptor'.

Kewords:

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